Long-term immunity after Yellow fever vaccination

Long-term immunity after Yellow fever vaccination - Long-term immunity after Yellow fever vaccination

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000040526

Enrollment

Registered

2020-08-01

Start date

2020-12-18

Completion date

Unknown

Last updated

2026-09-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Yellow fever

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Japanese people who received yellow fever vaccine more than 5 years ago

Exclusion criteria

Exclusion criteria: no restriction

Design outcomes

Primary

Measure	Time frame
seropositivity rate of neutralizing antibody titers against yellow fever virus	—

Secondary

Measure	Time frame
geometric mean titer of neutralizing antibody titers against yellow fever virus	—

Countries

Japan

Contacts

Public ContactSHINJI FUKUSHIMA

Tokyo Medical University Hospital Travellers' Medical Center

fuku789@tokyo-med.ac.jp+81-3-5339-3726

Outcome results